EMC filed an action for declaratory judgment against Parallel Iron [NPE], seeking declaration that its file storage system does not infringe three patents related to storing data across multiple servers.  Parallel Iron has filed 10 prior suits since January 2011 against over 10 defendants, including Amazon, AOL, EMC, Groupon, Hulu, IBM, LSI, NetApp, Oracle, Samsung, and Twitter.  This is the first DJ suit filed against Parallel Iron to date.  The patents-in-suit were previously owned by Ring Technology before being assigned to Parallel Iron in March 2010.  6/19, District of Massachusetts, no judge yet assigned, 1:2012cv11096.